-ous ffff ffps ffrr ffss fftf fmsr fmss fofo fomo fomp fomt foof foom foos foot fopp fops for- form foro forr fors fort foso foss fost fotm foto fotp fots fott foup four fous fout fprf from frop fros frot frou frps frsm frso frst frum fsfo fspf fssf fssp ftop ftos ftps ftrs ftsr fuff fufu fumo fums fuor fur- furm furo furr furs furt fuso fuss fust fusu futo futs futu mfor mfou mfps mfrp mfrs mftf mmff mmmm mmms mmor mmpr mmpu mmrf mmrp mmst mmsu mmts mmus moff mofo mofu momo moms momu moop moor moos moot mopp mops morf moro mors mort moru moso moss most mosu motm moto mots mott motu mouf moup mour mous mout mpfs mppf mppp mpps mprf mpro mprp mpst mptp mrps mrtm mrts mrtt msff msfs msft msmm msms msmu msop msor mspp msrp msrt mssf mssm mssp mssr msst mstp mstr msts msus mtff mtom mtor mtrr mtss mtst mttr mtts muff mufu mumm mumo mump mums mumu muos mups muro murr murs murt muru muso muss must musu muto muts mutt mutu muut off- offo offr offs offu ofor ofst oftp ofus omo- omoo omor omps ompt omro omuo omus ooff oofs ooms oooo ooos oops oort oost ootp oots oous opms opo- opor opos oppo opps opsm opsu opto opts opus orff orfs orfu ormo oro- orof orom oror oros orot orps orro orrs orso orsu orto orts orum orup orus osm- osmo osoo osor osos ospm osro osso ossu ostr osts osum otfp oto- otof otoo otor otos otpp otro otrs otso otsu otto otts ottu otur otus ouff our- ouro ours ourt oust out- outo outs ouu- pfff pffr pfft pfps pmmp pmmu pmos pmpm pmpo pmrs pmrt pmsf pmts pmut poff pomo pomp poms pomu poof poop poor poos poot pop- popo popp pops popt poro porr pors port poso poss post potf poto pots pott potu pouf poum poup pour pous pout ppms ppos pppo pppp ppps pprf pprm ppru ppsf ppss ppts pptt ppur prfs pro- prof prom proo prop pros prot prou prps prrm prrs prso prss prtm prtp prtr pruf prum prus prut pruu psfs psos psou pspp pspr psps psrp pssm psso psst psts pstu ptmp ptms ptop ptrf puff puft pump pups pupu pur- puro purp purr purs puru puss pust put- puto puts putt putu rmrp rmsp rmst rmtu roff rofo romm romo romp roms roof room roop roor roos root ropo rops roro rort roru roso rosp ross rost roto rotr rots rott rouf roum roup rous rout rpms rpof rpos rpps rpts rrmp rrrr rrsp rrum rsos rspo rsps rstp rsts rstu rsum rtfm rtmp rtms rtps rtss rttp rtts ruff rufo ruft rumm rumo rump rums rumt rupp rupt ruro rurp rurs ruru ruso russ rust rusu ruto ruts rutt rutu s-os sfmm sfor sfos sfro sfss sfsu sftp sfts smof smos smot smps smrf smrt smsp smss smtp smtu smur smus smut sofo soft somm somo soof soom soop soor soos soot sopo sopp sops sopu sorm soro sorr sors sort soru soso soss sost sotm soto sotp sots sotu souf soum soup sour sous sout spfs spms spmt spoo spop spor spos spot sppf spps sprm spro sprs spso spsp spss spst spto sptr spts spur spus sput sros srps srpt srsp srtp srtr ssfp ssop ssot sspf sspo ssps sspt ssrm ssrs sssf sssm ssss sstp ssts stfu stmp stms stmt stof stom stoo stop stor stos stot stou stpf stpp stps stro strs stru stsf stsm stss sttr stuf stum stup stur stus stut suf- suff sufr sufs sufu sum- sumo sump sums sumu suor suos sup- supo supp supr sups supt sur- surf suro surp surr surs surt suru sus- suso susp suss sust susu suto sutu suum suus t-mo tfot tfpt tfrs tfss tftp tmos tmou tmps tmro tmsp tmtt toff tofo toft tofu tomm tomo tomp toms tomt toof toom toor toos toot top- topf topo topp tops topt topu torf torm toro torp torr tors tort toru toso toss tost tosu totm toto totr tots tott toum toup tour tous tout tpms tpmt tppp tppr tprs tptp tptr tput trfm trfr trms trmu trom troo trop tros trot trou trpm trpp trps trst trtr trus trut truu tsfm tsmp tsom tsop tsos tsou tspo tsps tspt tssf tssm tssr tsst tstm tsts tsum tsup ttff ttms ttop ttss tttt tuff tufm tufo tuft tufu tump tums tumu tuor tuos tupo tups tupu turf turm turo turp turr turs turt turu tusm tuss tust tuto tuts tutt tutu tuum tuuo u-rp ufms ufos uftp umff ummo umms umor umps umsp umsu umts umus umut uofm uofo uomo uor- upor upos uppp uppu upto upup urff urft uro- urom uroo urpo urso urss ursu urts urum urup urur urus urut usfs usmm usmp usms usos uspo uspp usps ussf ussr usss usst ussu ustm usto ustp usts usus utfo utmp utor utto uttu uutf uuuu